<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Title</title>
	<script>
		var ele1 = 123;
		var ele2 = 123.1;
		var ele3 = 1.123e3;// 科学计数小数
		var ele4 = -99;
		var ele5 = NaN;// not a number
		var ele6 = Infinity;// 无限大
	</script>
</head>
<body>
</body>
</html>